How To Fix /SCWM/ODATA_API011 - Logon and logoff for the same resource in one change set is not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/ODATA_API -

• Message number: 011

• Message text: Logon and logoff for the same resource in one change set is not allowed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCWM/ODATA_API011 - Logon and logoff for the same resource in one change set is not allowed ?

  The SAP error message /SCWM/ODATA_API011 indicates that there is an issue with the logon and logoff process for the same resource within a single change set in the SAP Extended Warehouse Management (EWM) system. This error typically arises when a resource (like a warehouse worker or equipment) is being logged on and off in a way that violates the system's rules regarding resource management.
  Cause:
  
  Simultaneous Logon/Logoff: The error occurs when there is an attempt to log on and log off the same resource in a single transaction or change set. This is not allowed as it can lead to inconsistencies in the resource's status.
  Concurrency Issues: If multiple processes are trying to log on or log off the same resource at the same time, it can trigger this error.
  Incorrect API Usage: If the OData API is being used incorrectly, such as trying to perform conflicting operations in one request.
  
  Solution:
  
  Separate Logon and Logoff Requests: Ensure that logon and logoff operations for the same resource are handled in separate requests. You should first complete the logon operation before initiating a logoff operation.
  Check for Concurrent Processes: Investigate if there are any other processes or transactions that might be trying to log on or log off the same resource simultaneously. Ensure that these operations are serialized.
  Review API Calls: If you are using OData APIs, review the API calls to ensure that they are structured correctly and that you are not trying to perform conflicting actions in a single change set.
  Error Handling: Implement error handling in your application to catch this specific error and retry the operation after a brief delay or after confirming the resource's status.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for Extended Warehouse Management and OData services for more details on resource management and API usage.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context or fixes.
  Community Forums: Engage with SAP community forums or support channels where similar issues may have been discussed, and solutions or workarounds may be shared.
  
  By following these steps, you should be able to resolve the error and ensure proper handling of resource logon and logoff operations in your SAP EWM system.